/usr/include/d/gtkd-3/gstreamer/Message.d is in libgstreamerd-3-dev 3.7.5-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 | /*
* This file is part of gtkD.
*
* gtkD is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version, with
* some exceptions, please read the COPYING file.
*
* gtkD is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with gtkD; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
*/
// generated automatically - do not change
// find conversion definition on APILookup.txt
// implement new conversion functionalities on the wrap.utils pakage
module gstreamer.Message;
private import glib.ConstructionException;
private import glib.ErrorG;
private import glib.Str;
private import gobject.ObjectG;
private import gobject.Value;
private import gstreamer.Clock;
private import gstreamer.Context;
private import gstreamer.Device;
private import gstreamer.Element;
private import gstreamer.ObjectGst;
private import gstreamer.Stream;
private import gstreamer.StreamCollection;
private import gstreamer.Structure;
private import gstreamer.TagList;
private import gstreamer.Toc;
private import gstreamer.c.functions;
public import gstreamer.c.types;
public import gstreamerc.gstreamertypes;
/**
* Messages are implemented as a subclass of #GstMiniObject with a generic
* #GstStructure as the content. This allows for writing custom messages without
* requiring an API change while allowing a wide range of different types
* of messages.
*
* Messages are posted by objects in the pipeline and are passed to the
* application using the #GstBus.
*
* The basic use pattern of posting a message on a #GstBus is as follows:
* |[<!-- language="C" -->
* gst_bus_post (bus, gst_message_new_eos());
* ]|
*
* A #GstElement usually posts messages on the bus provided by the parent
* container using gst_element_post_message().
*/
public class Message
{
/** the main Gtk struct */
protected GstMessage* gstMessage;
protected bool ownedRef;
/** Get the main Gtk struct */
public GstMessage* getMessageStruct(bool transferOwnership = false)
{
if (transferOwnership)
ownedRef = false;
return gstMessage;
}
/** the main Gtk struct as a void* */
protected void* getStruct()
{
return cast(void*)gstMessage;
}
/**
* Sets our main struct and passes it to the parent class.
*/
public this (GstMessage* gstMessage, bool ownedRef = false)
{
this.gstMessage = gstMessage;
this.ownedRef = ownedRef;
}
/**
* Get the type of the message.
*/
public GstMessageType type()
{
return cast(GstMessageType)getMessageStruct().type;
}
/**
* Get the src (the element that originated the message) of the message.
*/
public ObjectGst src()
{
return new ObjectGst( cast(GstObject*)getMessageStruct().src );
}
/**
* Create a new element-specific message. This is meant as a generic way of
* allowing one-way communication from an element to an application, for example
* "the firewire cable was unplugged". The format of the message should be
* documented in the element's documentation. The structure field can be NULL.
* MT safe.
* Params:
* src = The object originating the message.
* structure = The structure for the message. The message will take ownership of
* the structure.
* Returns:
* The new element message.
*/
public static Message newElement(ObjectGst src, Structure structure)
{
// GstMessage* gst_message_new_element (GstObject *src, GstStructure *structure);
auto p = gst_message_new_element((src is null) ? null : src.getObjectGstStruct(), (structure is null) ? null : structure.getStructureStruct());
if(p is null)
{
throw new ConstructionException("null returned by gst_message_new_element");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* Create a new clock message. This message is posted whenever the
* pipeline selectes a new clock for the pipeline.
* MT safe.
* Params:
* src = The object originating the message.
* clock = the new selected clock
* Returns:
* The new new clock message.
*/
public static Message newNewClock(ObjectGst src, Clock clock)
{
// GstMessage* gst_message_new_new_clock (GstObject *src, GstClock *clock);
auto p = gst_message_new_new_clock((src is null) ? null : src.getObjectGstStruct(), (clock is null) ? null : clock.getClockStruct());
if(p is null)
{
throw new ConstructionException("null returned by gst_message_new_new_clock");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* Create a new segment done message. This message is posted by elements that
* finish playback of a segment as a result of a segment seek. This message
* is received by the application after all elements that posted a segment_start
* have posted the segment_done.
* MT safe.
* Params:
* src = The object originating the message.
* format = The format of the position being done
* position = The position of the segment being done
* Returns:
* The new segment done message.
*/
public static Message newSegmentDone(ObjectGst src, GstFormat format, long position)
{
// GstMessage* gst_message_new_segment_done (GstObject *src, GstFormat format, gint64 position);
auto p = gst_message_new_segment_done((src is null) ? null : src.getObjectGstStruct(), format, position);
if(p is null)
{
throw new ConstructionException("null returned by gst_message_new_segment_done");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* Create a new segment message. This message is posted by elements that
* start playback of a segment as a result of a segment seek. This message
* is not received by the application but is used for maintenance reasons in
* container elements.
* MT safe.
* Params:
* src = The object originating the message.
* format = The format of the position being played
* position = The position of the segment being played
* Returns:
* The new segment start message.
*/
public static Message newSegmentStart(ObjectGst src, GstFormat format, long position)
{
// GstMessage* gst_message_new_segment_start (GstObject *src, GstFormat format, gint64 position);
auto p = gst_message_new_segment_start((src is null) ? null : src.getObjectGstStruct(), format, position);
if(p is null)
{
throw new ConstructionException("null returned by gst_message_new_segment_start");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* Create a new warning message. The message will make copies of error and
* debug.
* MT safe.
* Params:
* src = The object originating the message.
* error = The GError for this message.
* debug = A debugging string for something or other.
* Returns:
* The new warning message.
*/
public static Message newWarning(ObjectGst src, ErrorG error, string dbug)
{
// GstMessage* gst_message_new_warning (GstObject *src, GError *error, gchar *debug);
auto p = gst_message_new_warning((src is null) ? null : src.getObjectGstStruct(), (error is null) ? null : error.getErrorGStruct(), Str.toStringz(dbug));
if(p is null)
{
throw new ConstructionException("null returned by gst_message_new_warning");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* Create a state dirty message. This message is posted whenever an element
* changed its state asynchronously and is used internally to update the
* states of container objects.
* MT safe.
* Params:
* src = the object originating the message
* Returns:
* The new state dirty message.
*/
public static Message newStateDirty(ObjectGst src)
{
// GstMessage* gst_message_new_state_dirty (GstObject *src);
auto p = gst_message_new_state_dirty((src is null) ? null : src.getObjectGstStruct());
if(p is null)
{
throw new ConstructionException("null returned by gst_message_new_state_dirty");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* Create a new eos message. This message is generated and posted in
* the sink elements of a GstBin. The bin will only forward the EOS
* message to the application if all sinks have posted an EOS message.
* MT safe.
* Params:
* src = The object originating the message.
* Returns:
* The new eos message.
*/
public static Message newEOS(ObjectGst src)
{
// GstMessage* gst_message_new_eos (GstObject *src);
auto p = gst_message_new_eos((src is null) ? null : src.getObjectGstStruct());
if(p is null)
{
throw new ConstructionException("null returned by gst_message_new_eos");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* Create a new error message. The message will copy error and
* debug. This message is posted by element when a fatal event
* occured. The pipeline will probably (partially) stop. The application
* receiving this message should stop the pipeline.
* MT safe.
* Params:
* src = The object originating the message.
* error = The GError for this message.
* debug = A debugging string for something or other.
* Returns:
* The new error message.
*/
public static Message newError(ObjectGst src, ErrorG error, string dbug)
{
// GstMessage* gst_message_new_error (GstObject *src, GError *error, gchar *debug);
auto p = gst_message_new_error((src is null) ? null : src.getObjectGstStruct(), (error is null) ? null : error.getErrorGStruct(), Str.toStringz(dbug));
if(p is null)
{
throw new ConstructionException("null returned by gst_message_new_error");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* Create a new info message. The message will make copies of error and
* debug.
* MT safe.
* Since 0.10.12
* Params:
* src = The object originating the message.
* error = The GError for this message.
* debug = A debugging string for something or other.
* Returns:
* The new info message.
*/
public static Message newInfo(ObjectGst src, ErrorG error, string dbug)
{
// GstMessage* gst_message_new_info (GstObject *src, GError *error, gchar *debug);
auto p = gst_message_new_info((src is null) ? null : src.getObjectGstStruct(), (error is null) ? null : error.getErrorGStruct(), Str.toStringz(dbug));
if(p is null)
{
throw new ConstructionException("null returned by gst_message_new_info");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* This message can be posted by elements when their latency requirements
* have changed.
* Params:
* src = The object originating the message.
* Returns:
* The new latency message. MT safe.
*/
public static Message newLatency(ObjectGst src)
{
// GstMessage* gst_message_new_latency (GstObject *src);
auto p = gst_message_new_latency((src is null) ? null : src.getObjectGstStruct());
if(p is null)
{
throw new ConstructionException("null returned by gst_message_new_latency");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* Create a new duration changed message. This message is posted by elements
* that know the duration of a stream when the duration changes. This message
* is received by bins and is used to calculate the total duration of a
* pipeline. Elements may post a duration message with a duration of
* GST_CLOCK_TIME_NONE to indicate that the duration has changed and the
* cached duration should be discarded. The new duration can then be
* retrieved via a query.
* Params:
* src = The object originating the message. [transfer none]
* Throws: ConstructionException GTK+ fails to create the object.
*/
public static Message newDurationChanged(ObjectGst src)
{
// GstMessage * gst_message_new_duration_changed (GstObject *src);
auto p = gst_message_new_duration_changed((src is null) ? null : src.getObjectGstStruct());
if(p is null)
{
throw new ConstructionException("null returned by gst_message_new_duration_changed((src is null) ? null : src.getObjectGstStruct())");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* This message is posted by elements when they start an ASYNC state change.
* Params:
* src = The object originating the message. [transfer none]
* Throws: ConstructionException GTK+ fails to create the object.
*/
public static Message newAsyncStart(ObjectGst src)
{
// GstMessage * gst_message_new_async_start (GstObject *src);
auto p = gst_message_new_async_start((src is null) ? null : src.getObjectGstStruct());
if(p is null)
{
throw new ConstructionException("null returned by gst_message_new_async_start((src is null) ? null : src.getObjectGstStruct())");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* The message is posted when elements completed an ASYNC state change.
* running_time contains the time of the desired running_time when this
* elements goes to PLAYING. A value of GST_CLOCK_TIME_NONE for running_time
* means that the element has no clock interaction and thus doesn't care about
* the running_time of the pipeline.
* Params:
* src = The object originating the message. [transfer none]
* runningTime = the desired running_time
* Throws: ConstructionException GTK+ fails to create the object.
*/
public static Message newAsyncDone(ObjectGst src, GstClockTime runningTime)
{
// GstMessage * gst_message_new_async_done (GstObject *src, GstClockTime running_time);
auto p = gst_message_new_async_done((src is null) ? null : src.getObjectGstStruct(), runningTime);
if(p is null)
{
throw new ConstructionException("null returned by gst_message_new_async_done((src is null) ? null : src.getObjectGstStruct(), runningTime)");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* Creates a new device-added message. The device-added message is produced by
* #GstDeviceProvider or a #GstDeviceMonitor. They announce the appearance
* of monitored devices.
*
* Params:
* src = The #GstObject that created the message
* device = The new #GstDevice
*
* Return: a newly allocated #GstMessage
*
* Since: 1.4
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public static Message newDeviceAdded(ObjectGst src, Device device)
{
auto p = gst_message_new_device_added((src is null) ? null : src.getObjectGstStruct(), (device is null) ? null : device.getDeviceStruct());
if(p is null)
{
throw new ConstructionException("null returned by new_device_added");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* Creates a new device-removed message. The device-removed message is produced
* by #GstDeviceProvider or a #GstDeviceMonitor. They announce the
* disappearance of monitored devices.
*
* Params:
* src = The #GstObject that created the message
* device = The removed #GstDevice
*
* Return: a newly allocated #GstMessage
*
* Since: 1.4
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public static Message newDeviceRemoved(ObjectGst src, Device device)
{
auto p = gst_message_new_device_removed((src is null) ? null : src.getObjectGstStruct(), (device is null) ? null : device.getDeviceStruct());
if(p is null)
{
throw new ConstructionException("null returned by new_device_removed");
}
return new Message(cast(GstMessage*)p); //, true);
}
/**
* Create a new error message. The message will copy @error and
* @debug. This message is posted by element when a fatal event
* occurred. The pipeline will probably (partially) stop. The application
* receiving this message should stop the pipeline.
*
* Params:
* src = The object originating the message.
* error = The GError for this message.
* dbg = A debugging string.
* details = (allow-none): A GstStructure with details
*
* Return: the new error message.
*
* Since: 1.10
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public static Message newErrorWithDetails(ObjectGst src, ErrorG error, string dbg, Structure details)
{
auto p = gst_message_new_error_with_details((src is null) ? null : src.getObjectGstStruct(), (error is null) ? null : error.getErrorGStruct(), Str.toStringz(dbg), (details is null) ? null : details.getStructureStruct());
if(p is null)
{
throw new ConstructionException("null returned by new_error_with_details");
}
return new Message(cast(GstMessage*)p, true);
}
/**
* Create a new info message. The message will make copies of @error and
* @debug.
*
* Params:
* src = The object originating the message.
* error = The GError for this message.
* dbg = A debugging string.
* details = (allow-none): A GstStructure with details
*
* Return: the new warning message.
*
* Since: 1.10
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public static Message newInfoWithDetails(ObjectGst src, ErrorG error, string dbg, Structure details)
{
auto p = gst_message_new_info_with_details((src is null) ? null : src.getObjectGstStruct(), (error is null) ? null : error.getErrorGStruct(), Str.toStringz(dbg), (details is null) ? null : details.getStructureStruct());
if(p is null)
{
throw new ConstructionException("null returned by new_info_with_details");
}
return new Message(cast(GstMessage*)p, true);
}
/**
* Create a new warning message. The message will make copies of @error and
* @debug.
*
* Params:
* src = The object originating the message.
* error = The GError for this message.
* dbg = A debugging string.
* details = (allow-none): A GstStructure with details
*
* Return: the new warning message.
*
* Since: 1.10
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public static Message newWarningWithDetails(ObjectGst src, ErrorG error, string dbg, Structure details)
{
auto p = gst_message_new_warning_with_details((src is null) ? null : src.getObjectGstStruct(), (error is null) ? null : error.getErrorGStruct(), Str.toStringz(dbg), (details is null) ? null : details.getStructureStruct());
if(p is null)
{
throw new ConstructionException("null returned by new_warning_with_details");
}
return new Message(cast(GstMessage*)p, true);
}
/**
* Creates a new stream-collection message. The message is used to announce new
* #GstStreamCollection
*
* Params:
* src = The #GstObject that created the message
* collection = The #GstStreamCollection
*
* Return: a newly allocated #GstMessage
*
* Since: 1.10
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public static Message newStreamCollection(ObjectGst src, StreamCollection collection)
{
auto p = gst_message_new_stream_collection((src is null) ? null : src.getObjectGstStruct(), (collection is null) ? null : collection.getStreamCollectionStruct());
if(p is null)
{
throw new ConstructionException("null returned by new_stream_collection");
}
return new Message(cast(GstMessage*)p, true);
}
/**
* Creates a new steams-selected message. The message is used to announce
* that an array of streams has been selected. This is generally in response
* to a #GST_EVENT_SELECT_STREAMS event, or when an element (such as decodebin3)
* makes an initial selection of streams.
*
* The message also contains the #GstStreamCollection to which the various streams
* belong to.
*
* Users of gst_message_new_streams_selected() can add the selected streams with
* gst_message_streams_selected_add().
*
* Params:
* src = The #GstObject that created the message
* collection = The #GstStreamCollection
*
* Return: a newly allocated #GstMessage
*
* Since: 1.10
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public static Message newStreamsSelected(ObjectGst src, StreamCollection collection)
{
auto p = gst_message_new_streams_selected((src is null) ? null : src.getObjectGstStruct(), (collection is null) ? null : collection.getStreamCollectionStruct());
if(p is null)
{
throw new ConstructionException("null returned by new_streams_selected");
}
return new Message(cast(GstMessage*)p, true);
}
/**
*/
/** */
public static GType getType()
{
return gst_message_get_type();
}
/**
* Create a new application-typed message. GStreamer will never create these
* messages; they are a gift from us to you. Enjoy.
*
* Params:
* src = The object originating the message.
* structure = the structure for the message. The message
* will take ownership of the structure.
*
* Returns: The new application message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, Structure structure)
{
auto p = gst_message_new_application((src is null) ? null : src.getObjectGstStruct(), (structure is null) ? null : structure.getStructureStruct(true));
if(p is null)
{
throw new ConstructionException("null returned by new_application");
}
this(cast(GstMessage*) p);
}
/**
* The message is posted when elements completed an ASYNC state change.
* @running_time contains the time of the desired running_time when this
* elements goes to PLAYING. A value of #GST_CLOCK_TIME_NONE for @running_time
* means that the element has no clock interaction and thus doesn't care about
* the running_time of the pipeline.
*
* Params:
* src = The object originating the message.
* runningTime = the desired running_time
*
* Returns: The new async_done message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, GstClockTime runningTime)
{
auto p = gst_message_new_async_done((src is null) ? null : src.getObjectGstStruct(), runningTime);
if(p is null)
{
throw new ConstructionException("null returned by new_async_done");
}
this(cast(GstMessage*) p);
}
/**
* Create a new buffering message. This message can be posted by an element that
* needs to buffer data before it can continue processing. @percent should be a
* value between 0 and 100. A value of 100 means that the buffering completed.
*
* When @percent is < 100 the application should PAUSE a PLAYING pipeline. When
* @percent is 100, the application can set the pipeline (back) to PLAYING.
* The application must be prepared to receive BUFFERING messages in the
* PREROLLING state and may only set the pipeline to PLAYING after receiving a
* message with @percent set to 100, which can happen after the pipeline
* completed prerolling.
*
* MT safe.
*
* Params:
* src = The object originating the message.
* percent = The buffering percent
*
* Returns: The new buffering message.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, int percent)
{
auto p = gst_message_new_buffering((src is null) ? null : src.getObjectGstStruct(), percent);
if(p is null)
{
throw new ConstructionException("null returned by new_buffering");
}
this(cast(GstMessage*) p);
}
/**
* Create a clock lost message. This message is posted whenever the
* clock is not valid anymore.
*
* If this message is posted by the pipeline, the pipeline will
* select a new clock again when it goes to PLAYING. It might therefore
* be needed to set the pipeline to PAUSED and PLAYING again.
*
* Params:
* src = The object originating the message.
* clock = the clock that was lost
*
* Returns: The new clock lost message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, Clock clock)
{
auto p = gst_message_new_clock_lost((src is null) ? null : src.getObjectGstStruct(), (clock is null) ? null : clock.getClockStruct());
if(p is null)
{
throw new ConstructionException("null returned by new_clock_lost");
}
this(cast(GstMessage*) p);
}
/**
* Create a clock provide message. This message is posted whenever an
* element is ready to provide a clock or lost its ability to provide
* a clock (maybe because it paused or became EOS).
*
* This message is mainly used internally to manage the clock
* selection.
*
* Params:
* src = The object originating the message.
* clock = the clock it provides
* ready = %TRUE if the sender can provide a clock
*
* Returns: the new provide clock message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, Clock clock, bool ready)
{
auto p = gst_message_new_clock_provide((src is null) ? null : src.getObjectGstStruct(), (clock is null) ? null : clock.getClockStruct(), ready);
if(p is null)
{
throw new ConstructionException("null returned by new_clock_provide");
}
this(cast(GstMessage*) p);
}
/**
* Create a new custom-typed message. This can be used for anything not
* handled by other message-specific functions to pass a message to the
* app. The structure field can be %NULL.
*
* Params:
* type = The #GstMessageType to distinguish messages
* src = The object originating the message.
* structure = the structure for the
* message. The message will take ownership of the structure.
*
* Returns: The new message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(GstMessageType type, ObjectGst src, Structure structure)
{
auto p = gst_message_new_custom(type, (src is null) ? null : src.getObjectGstStruct(), (structure is null) ? null : structure.getStructureStruct(true));
if(p is null)
{
throw new ConstructionException("null returned by new_custom");
}
this(cast(GstMessage*) p);
}
/**
* This message is posted when an element has a new local #GstContext.
*
* Params:
* src = The object originating the message.
* context = the context
*
* Returns: The new have-context message.
*
* MT safe.
*
* Since: 1.2
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, Context context)
{
auto p = gst_message_new_have_context((src is null) ? null : src.getObjectGstStruct(), (context is null) ? null : context.getContextStruct());
if(p is null)
{
throw new ConstructionException("null returned by new_have_context");
}
this(cast(GstMessage*) p);
}
/**
* This message is posted when an element needs a specific #GstContext.
*
* Params:
* src = The object originating the message.
* contextType = The context type that is needed
*
* Returns: The new need-context message.
*
* MT safe.
*
* Since: 1.2
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, string contextType)
{
auto p = gst_message_new_need_context((src is null) ? null : src.getObjectGstStruct(), Str.toStringz(contextType));
if(p is null)
{
throw new ConstructionException("null returned by new_need_context");
}
this(cast(GstMessage*) p);
}
/**
* Progress messages are posted by elements when they use an asynchronous task
* to perform actions triggered by a state change.
*
* @code contains a well defined string describing the action.
* @text should contain a user visible string detailing the current action.
*
* Params:
* src = The object originating the message.
* type = a #GstProgressType
* code = a progress code
* text = free, user visible text describing the progress
*
* Returns: The new qos message.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, GstProgressType type, string code, string text)
{
auto p = gst_message_new_progress((src is null) ? null : src.getObjectGstStruct(), type, Str.toStringz(code), Str.toStringz(text));
if(p is null)
{
throw new ConstructionException("null returned by new_progress");
}
this(cast(GstMessage*) p);
}
/**
*
* Params:
* src = The #GstObject whose property changed (may or may not be a #GstElement)
* propertyName = name of the property that changed
* val = new property value, or %NULL
* Returns: a newly allocated #GstMessage
*
* Since: 1.10
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, string propertyName, Value val)
{
auto p = gst_message_new_property_notify((src is null) ? null : src.getObjectGstStruct(), Str.toStringz(propertyName), (val is null) ? null : val.getValueStruct());
if(p is null)
{
throw new ConstructionException("null returned by new_property_notify");
}
this(cast(GstMessage*) p);
}
/**
* A QOS message is posted on the bus whenever an element decides to drop a
* buffer because of QoS reasons or whenever it changes its processing strategy
* because of QoS reasons (quality adjustments such as processing at lower
* accuracy).
*
* This message can be posted by an element that performs synchronisation against the
* clock (live) or it could be dropped by an element that performs QoS because of QOS
* events received from a downstream element (!live).
*
* @running_time, @stream_time, @timestamp, @duration should be set to the
* respective running-time, stream-time, timestamp and duration of the (dropped)
* buffer that generated the QoS event. Values can be left to
* GST_CLOCK_TIME_NONE when unknown.
*
* Params:
* src = The object originating the message.
* live = if the message was generated by a live element
* runningTime = the running time of the buffer that generated the message
* streamTime = the stream time of the buffer that generated the message
* timestamp = the timestamps of the buffer that generated the message
* duration = the duration of the buffer that generated the message
*
* Returns: The new qos message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, bool live, ulong runningTime, ulong streamTime, ulong timestamp, ulong duration)
{
auto p = gst_message_new_qos((src is null) ? null : src.getObjectGstStruct(), live, runningTime, streamTime, timestamp, duration);
if(p is null)
{
throw new ConstructionException("null returned by new_qos");
}
this(cast(GstMessage*) p);
}
/**
* Creates a new redirect message and adds a new entry to it. Redirect messages
* are posted when an element detects that the actual data has to be retrieved
* from a different location. This is useful if such a redirection cannot be
* handled inside a source element, for example when HTTP 302/303 redirects
* return a non-HTTP URL.
*
* The redirect message can hold multiple entries. The first one is added
* when the redirect message is created, with the given location, tag_list,
* entry_struct arguments. Use gst_message_add_redirect_entry() to add more
* entries.
*
* Each entry has a location, a tag list, and a structure. All of these are
* optional. The tag list and structure are useful for additional metadata,
* such as bitrate statistics for the given location.
*
* By default, message recipients should treat entries in the order they are
* stored. The recipient should therefore try entry #0 first, and if this
* entry is not acceptable or working, try entry #1 etc. Senders must make
* sure that they add entries in this order. However, recipients are free to
* ignore the order and pick an entry that is "best" for them. One example
* would be a recipient that scans the entries for the one with the highest
* bitrate tag.
*
* The specified location string is copied. However, ownership over the tag
* list and structure are transferred to the message.
*
* Params:
* src = The #GstObject whose property changed (may or may not be a #GstElement)
* location = location string for the new entry
* tagList = tag list for the new entry
* entryStruct = structure for the new entry
*
* Returns: a newly allocated #GstMessage
*
* Since: 1.10
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, string location, TagList tagList, Structure entryStruct)
{
auto p = gst_message_new_redirect((src is null) ? null : src.getObjectGstStruct(), Str.toStringz(location), (tagList is null) ? null : tagList.getTagListStruct(), (entryStruct is null) ? null : entryStruct.getStructureStruct(true));
if(p is null)
{
throw new ConstructionException("null returned by new_redirect");
}
this(cast(GstMessage*) p);
}
/**
* This message can be posted by elements when they want to have their state
* changed. A typical use case would be an audio server that wants to pause the
* pipeline because a higher priority stream is being played.
*
* Params:
* src = The object originating the message.
* state = The new requested state
*
* Returns: the new request state message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, GstState state)
{
auto p = gst_message_new_request_state((src is null) ? null : src.getObjectGstStruct(), state);
if(p is null)
{
throw new ConstructionException("null returned by new_request_state");
}
this(cast(GstMessage*) p);
}
/**
* Create a state change message. This message is posted whenever an element
* changed its state.
*
* Params:
* src = The object originating the message.
* oldstate = the previous state
* newstate = the new (current) state
* pending = the pending (target) state
*
* Returns: the new state change message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, GstState oldstate, GstState newstate, GstState pending)
{
auto p = gst_message_new_state_changed((src is null) ? null : src.getObjectGstStruct(), oldstate, newstate, pending);
if(p is null)
{
throw new ConstructionException("null returned by new_state_changed");
}
this(cast(GstMessage*) p);
}
/**
* This message is posted by elements when they complete a part, when @intermediate set
* to %TRUE, or a complete step operation.
*
* @duration will contain the amount of time (in GST_FORMAT_TIME) of the stepped
* @amount of media in format @format.
*
* Params:
* src = The object originating the message.
* format = the format of @amount
* amount = the amount of stepped data
* rate = the rate of the stepped amount
* flush = is this an flushing step
* intermediate = is this an intermediate step
* duration = the duration of the data
* eos = the step caused EOS
*
* Returns: the new step_done message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, GstFormat format, ulong amount, double rate, bool flush, bool intermediate, ulong duration, bool eos)
{
auto p = gst_message_new_step_done((src is null) ? null : src.getObjectGstStruct(), format, amount, rate, flush, intermediate, duration, eos);
if(p is null)
{
throw new ConstructionException("null returned by new_step_done");
}
this(cast(GstMessage*) p);
}
/**
* This message is posted by elements when they accept or activate a new step
* event for @amount in @format.
*
* @active is set to %FALSE when the element accepted the new step event and has
* queued it for execution in the streaming threads.
*
* @active is set to %TRUE when the element has activated the step operation and
* is now ready to start executing the step in the streaming thread. After this
* message is emitted, the application can queue a new step operation in the
* element.
*
* Params:
* src = The object originating the message.
* active = if the step is active or queued
* format = the format of @amount
* amount = the amount of stepped data
* rate = the rate of the stepped amount
* flush = is this an flushing step
* intermediate = is this an intermediate step
*
* Returns: The new step_start message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, bool active, GstFormat format, ulong amount, double rate, bool flush, bool intermediate)
{
auto p = gst_message_new_step_start((src is null) ? null : src.getObjectGstStruct(), active, format, amount, rate, flush, intermediate);
if(p is null)
{
throw new ConstructionException("null returned by new_step_start");
}
this(cast(GstMessage*) p);
}
/**
* Create a new stream_start message. This message is generated and posted in
* the sink elements of a GstBin. The bin will only forward the STREAM_START
* message to the application if all sinks have posted an STREAM_START message.
*
* Params:
* src = The object originating the message.
*
* Returns: The new stream_start message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src)
{
auto p = gst_message_new_stream_start((src is null) ? null : src.getObjectGstStruct());
if(p is null)
{
throw new ConstructionException("null returned by new_stream_start");
}
this(cast(GstMessage*) p);
}
/**
* Create a new stream status message. This message is posted when a streaming
* thread is created/destroyed or when the state changed.
*
* Params:
* src = The object originating the message.
* type = The stream status type.
* owner = the owner element of @src.
*
* Returns: the new stream status message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, GstStreamStatusType type, Element owner)
{
auto p = gst_message_new_stream_status((src is null) ? null : src.getObjectGstStruct(), type, (owner is null) ? null : owner.getElementStruct());
if(p is null)
{
throw new ConstructionException("null returned by new_stream_status");
}
this(cast(GstMessage*) p);
}
/**
* Create a new structure change message. This message is posted when the
* structure of a pipeline is in the process of being changed, for example
* when pads are linked or unlinked.
*
* @src should be the sinkpad that unlinked or linked.
*
* Params:
* src = The object originating the message.
* type = The change type.
* owner = The owner element of @src.
* busy = Whether the structure change is busy.
*
* Returns: the new structure change message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, GstStructureChangeType type, Element owner, bool busy)
{
auto p = gst_message_new_structure_change((src is null) ? null : src.getObjectGstStruct(), type, (owner is null) ? null : owner.getElementStruct(), busy);
if(p is null)
{
throw new ConstructionException("null returned by new_structure_change");
}
this(cast(GstMessage*) p);
}
/**
* Create a new tag message. The message will take ownership of the tag list.
* The message is posted by elements that discovered a new taglist.
*
* Params:
* src = The object originating the message.
* tagList = the tag list for the message.
*
* Returns: the new tag message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, TagList tagList)
{
auto p = gst_message_new_tag((src is null) ? null : src.getObjectGstStruct(), (tagList is null) ? null : tagList.getTagListStruct());
if(p is null)
{
throw new ConstructionException("null returned by new_tag");
}
this(cast(GstMessage*) p);
}
/**
* Create a new TOC message. The message is posted by elements
* that discovered or updated a TOC.
*
* Params:
* src = the object originating the message.
* toc = #GstToc structure for the message.
* updated = whether TOC was updated or not.
*
* Returns: a new TOC message.
*
* MT safe.
*
* Throws: ConstructionException GTK+ fails to create the object.
*/
public this(ObjectGst src, Toc toc, bool updated)
{
auto p = gst_message_new_toc((src is null) ? null : src.getObjectGstStruct(), (toc is null) ? null : toc.getTocStruct(), updated);
if(p is null)
{
throw new ConstructionException("null returned by new_toc");
}
this(cast(GstMessage*) p);
}
/**
* Creates and appends a new entry.
*
* The specified location string is copied. However, ownership over the tag
* list and structure are transferred to the message.
*
* Params:
* location = location string for the new entry
* tagList = tag list for the new entry
* entryStruct = structure for the new entry
*
* Since: 1.10
*/
public void addRedirectEntry(string location, TagList tagList, Structure entryStruct)
{
gst_message_add_redirect_entry(gstMessage, Str.toStringz(location), (tagList is null) ? null : tagList.getTagListStruct(), (entryStruct is null) ? null : entryStruct.getStructureStruct(true));
}
/**
* Returns: the number of entries stored in the message
*
* Since: 1.10
*/
public size_t getNumRedirectEntries()
{
return gst_message_get_num_redirect_entries(gstMessage);
}
/**
* Retrieve the sequence number of a message.
*
* Messages have ever-incrementing sequence numbers, which may also be set
* explicitly via gst_message_set_seqnum(). Sequence numbers are typically used
* to indicate that a message corresponds to some other set of messages or
* events, for example a SEGMENT_DONE message corresponding to a SEEK event. It
* is considered good practice to make this correspondence when possible, though
* it is not required.
*
* Note that events and messages share the same sequence number incrementor;
* two events or messages will never have the same sequence number unless
* that correspondence was made explicitly.
*
* Returns: The message's sequence number.
*
* MT safe.
*/
public uint getSeqnum()
{
return gst_message_get_seqnum(gstMessage);
}
/**
* Extracts the object managing the streaming thread from @message.
*
* Returns: a GValue containing the object that manages the streaming thread.
* This object is usually of type GstTask but other types can be added in the
* future. The object remains valid as long as @message is valid.
*/
public Value getStreamStatusObject()
{
auto p = gst_message_get_stream_status_object(gstMessage);
if(p is null)
{
return null;
}
return ObjectG.getDObject!(Value)(cast(GValue*) p);
}
/**
* Access the structure of the message.
*
* Returns: The structure of the message. The structure is
* still owned by the message, which means that you should not free it and
* that the pointer becomes invalid when you free the message.
*
* MT safe.
*/
public Structure getStructure()
{
auto p = gst_message_get_structure(gstMessage);
if(p is null)
{
return null;
}
return ObjectG.getDObject!(Structure)(cast(GstStructure*) p);
}
/**
* Checks if @message has the given @name. This function is usually used to
* check the name of a custom message.
*
* Params:
* name = name to check
*
* Returns: %TRUE if @name matches the name of the message structure.
*/
public bool hasName(string name)
{
return gst_message_has_name(gstMessage, Str.toStringz(name)) != 0;
}
/**
* Extract the running_time from the async_done message.
*
* MT safe.
*
* Params:
* runningTime = Result location for the running_time or %NULL
*/
public void parseAsyncDone(out GstClockTime runningTime)
{
gst_message_parse_async_done(gstMessage, &runningTime);
}
/**
* Extracts the buffering percent from the GstMessage. see also
* gst_message_new_buffering().
*
* MT safe.
*
* Params:
* percent = Return location for the percent.
*/
public void parseBuffering(out int percent)
{
gst_message_parse_buffering(gstMessage, &percent);
}
/**
* Extracts the buffering stats values from @message.
*
* Params:
* mode = a buffering mode, or %NULL
* avgIn = the average input rate, or %NULL
* avgOut = the average output rate, or %NULL
* bufferingLeft = amount of buffering time left in
* milliseconds, or %NULL
*/
public void parseBufferingStats(out GstBufferingMode mode, out int avgIn, out int avgOut, out long bufferingLeft)
{
gst_message_parse_buffering_stats(gstMessage, &mode, &avgIn, &avgOut, &bufferingLeft);
}
/**
* Extracts the lost clock from the GstMessage.
* The clock object returned remains valid until the message is freed.
*
* MT safe.
*
* Params:
* clock = a pointer to hold the lost clock
*/
public void parseClockLost(out Clock clock)
{
GstClock* outclock = null;
gst_message_parse_clock_lost(gstMessage, &outclock);
clock = ObjectG.getDObject!(Clock)(outclock);
}
/**
* Extracts the clock and ready flag from the GstMessage.
* The clock object returned remains valid until the message is freed.
*
* MT safe.
*
* Params:
* clock = a pointer to hold a clock
* object, or %NULL
* ready = a pointer to hold the ready flag, or %NULL
*/
public void parseClockProvide(out Clock clock, out bool ready)
{
GstClock* outclock = null;
int outready;
gst_message_parse_clock_provide(gstMessage, &outclock, &outready);
clock = ObjectG.getDObject!(Clock)(outclock);
ready = (outready == 1);
}
/**
* Parse a context type from an existing GST_MESSAGE_NEED_CONTEXT message.
*
* Params:
* contextType = the context type, or %NULL
*
* Returns: a #gboolean indicating if the parsing succeeded.
*
* Since: 1.2
*/
public bool parseContextType(out string contextType)
{
char* outcontextType = null;
auto p = gst_message_parse_context_type(gstMessage, &outcontextType) != 0;
contextType = Str.toString(outcontextType);
return p;
}
/**
* Parses a device-added message. The device-added message is produced by
* #GstDeviceProvider or a #GstDeviceMonitor. It announces the appearance
* of monitored devices.
*
* Params:
* device = A location where to store a
* pointer to the new #GstDevice, or %NULL
*
* Since: 1.4
*/
public void parseDeviceAdded(out Device device)
{
GstDevice* outdevice = null;
gst_message_parse_device_added(gstMessage, &outdevice);
device = ObjectG.getDObject!(Device)(outdevice);
}
/**
* Parses a device-removed message. The device-removed message is produced by
* #GstDeviceProvider or a #GstDeviceMonitor. It announces the
* disappearance of monitored devices.
*
* Params:
* device = A location where to store a
* pointer to the removed #GstDevice, or %NULL
*
* Since: 1.4
*/
public void parseDeviceRemoved(out Device device)
{
GstDevice* outdevice = null;
gst_message_parse_device_removed(gstMessage, &outdevice);
device = ObjectG.getDObject!(Device)(outdevice);
}
/**
* Extracts the GError and debug string from the GstMessage. The values returned
* in the output arguments are copies; the caller must free them when done.
*
* Typical usage of this function might be:
* |[<!-- language="C" -->
* ...
* switch (GST_MESSAGE_TYPE (msg)) {
* case GST_MESSAGE_ERROR: {
* GError *err = NULL;
* gchar *dbg_info = NULL;
*
* gst_message_parse_error (msg, &err, &dbg_info);
* g_printerr ("ERROR from element %s: %s\n",
* GST_OBJECT_NAME (msg->src), err->message);
* g_printerr ("Debugging info: %s\n", (dbg_info) ? dbg_info : "none");
* g_error_free (err);
* g_free (dbg_info);
* break;
* }
* ...
* }
* ...
* ]|
*
* MT safe.
*
* Params:
* gerror = location for the GError
* dbg = location for the debug message,
* or %NULL
*/
public void parseError(out ErrorG gerror, out string dbg)
{
GError* outgerror = null;
char* outdbg = null;
gst_message_parse_error(gstMessage, &outgerror, &outdbg);
gerror = new ErrorG(outgerror);
dbg = Str.toString(outdbg);
}
/**
* Returns the optional details structure, may be NULL if none.
* The returned structure must not be freed.
*
* Params:
* structure = A pointer to the returned details
*
* Since: 1.10
*/
public void parseErrorDetails(out Structure structure)
{
GstStructure* outstructure = null;
gst_message_parse_error_details(gstMessage, &outstructure);
structure = ObjectG.getDObject!(Structure)(outstructure);
}
/**
* Extract the group from the STREAM_START message.
*
* Params:
* groupId = Result location for the group id or
* %NULL
*
* Returns: %TRUE if the message had a group id set, %FALSE otherwise
*
* MT safe.
*
* Since: 1.2
*/
public bool parseGroupId(out uint groupId)
{
return gst_message_parse_group_id(gstMessage, &groupId) != 0;
}
/**
* Extract the context from the HAVE_CONTEXT message.
*
* MT safe.
*
* Params:
* context = Result location for the
* context or %NULL
*
* Since: 1.2
*/
public void parseHaveContext(out Context context)
{
GstContext* outcontext = null;
gst_message_parse_have_context(gstMessage, &outcontext);
context = ObjectG.getDObject!(Context)(outcontext);
}
/**
* Extracts the GError and debug string from the GstMessage. The values returned
* in the output arguments are copies; the caller must free them when done.
*
* MT safe.
*
* Params:
* gerror = location for the GError
* dbg = location for the debug message,
* or %NULL
*/
public void parseInfo(out ErrorG gerror, out string dbg)
{
GError* outgerror = null;
char* outdbg = null;
gst_message_parse_info(gstMessage, &outgerror, &outdbg);
gerror = new ErrorG(outgerror);
dbg = Str.toString(outdbg);
}
/**
* Returns the optional details structure, may be NULL if none
* The returned structure must not be freed.
*
* Params:
* structure = A pointer to the returned details structure
*
* Since: 1.10
*/
public void parseInfoDetails(out Structure structure)
{
GstStructure* outstructure = null;
gst_message_parse_info_details(gstMessage, &outstructure);
structure = ObjectG.getDObject!(Structure)(outstructure);
}
/**
* Extracts the new clock from the GstMessage.
* The clock object returned remains valid until the message is freed.
*
* MT safe.
*
* Params:
* clock = a pointer to hold the selected
* new clock
*/
public void parseNewClock(out Clock clock)
{
GstClock* outclock = null;
gst_message_parse_new_clock(gstMessage, &outclock);
clock = ObjectG.getDObject!(Clock)(outclock);
}
/**
* Parses the progress @type, @code and @text.
*
* Params:
* type = location for the type
* code = location for the code
* text = location for the text
*/
public void parseProgress(out GstProgressType type, out string code, out string text)
{
char* outcode = null;
char* outtext = null;
gst_message_parse_progress(gstMessage, &type, &outcode, &outtext);
code = Str.toString(outcode);
text = Str.toString(outtext);
}
/**
* Parses a property-notify message. These will be posted on the bus only
* when set up with gst_element_add_property_notify_watch() or
* gst_element_add_property_deep_notify_watch().
*
* Params:
* object = location where to store a
* pointer to the object whose property got changed, or %NULL
* propertyName = return location for the name of the
* property that got changed, or %NULL
* propertyValue = return location for the new value of
* the property that got changed, or %NULL. This will only be set if the
* property notify watch was told to include the value when it was set up
*
* Since: 1.10
*/
public void parsePropertyNotify(out ObjectGst object, out string propertyName, out Value propertyValue)
{
GstObject* outobject = null;
char* outpropertyName = null;
GValue* outpropertyValue = null;
gst_message_parse_property_notify(gstMessage, &outobject, &outpropertyName, &outpropertyValue);
object = ObjectG.getDObject!(ObjectGst)(outobject);
propertyName = Str.toString(outpropertyName);
propertyValue = ObjectG.getDObject!(Value)(outpropertyValue);
}
/**
* Extract the timestamps and live status from the QoS message.
*
* The returned values give the running_time, stream_time, timestamp and
* duration of the dropped buffer. Values of GST_CLOCK_TIME_NONE mean unknown
* values.
*
* MT safe.
*
* Params:
* live = if the message was generated by a live element
* runningTime = the running time of the buffer that
* generated the message
* streamTime = the stream time of the buffer that
* generated the message
* timestamp = the timestamps of the buffer that
* generated the message
* duration = the duration of the buffer that
* generated the message
*/
public void parseQos(out bool live, out ulong runningTime, out ulong streamTime, out ulong timestamp, out ulong duration)
{
int outlive;
gst_message_parse_qos(gstMessage, &outlive, &runningTime, &streamTime, ×tamp, &duration);
live = (outlive == 1);
}
/**
* Extract the QoS stats representing the history of the current continuous
* pipeline playback period.
*
* When @format is @GST_FORMAT_UNDEFINED both @dropped and @processed are
* invalid. Values of -1 for either @processed or @dropped mean unknown values.
*
* MT safe.
*
* Params:
* format = Units of the 'processed' and 'dropped' fields.
* Video sinks and video filters will use GST_FORMAT_BUFFERS (frames).
* Audio sinks and audio filters will likely use GST_FORMAT_DEFAULT
* (samples).
* processed = Total number of units correctly processed
* since the last state change to READY or a flushing operation.
* dropped = Total number of units dropped since the last
* state change to READY or a flushing operation.
*/
public void parseQosStats(out GstFormat format, out ulong processed, out ulong dropped)
{
gst_message_parse_qos_stats(gstMessage, &format, &processed, &dropped);
}
/**
* Extract the QoS values that have been calculated/analysed from the QoS data
*
* MT safe.
*
* Params:
* jitter = The difference of the running-time against
* the deadline.
* proportion = Long term prediction of the ideal rate
* relative to normal rate to get optimal quality.
* quality = An element dependent integer value that
* specifies the current quality level of the element. The default
* maximum quality is 1000000.
*/
public void parseQosValues(out long jitter, out double proportion, out int quality)
{
gst_message_parse_qos_values(gstMessage, &jitter, &proportion, &quality);
}
/**
* Parses the location and/or structure from the entry with the given index.
* The index must be between 0 and gst_message_get_num_redirect_entries() - 1.
* Returned pointers are valid for as long as this message exists.
*
* Params:
* entryIndex = index of the entry to parse
* location = return location for
* the pointer to the entry's location string, or %NULL
* tagList = return location for
* the pointer to the entry's tag list, or %NULL
* entryStruct = return location
* for the pointer to the entry's structure, or %NULL
*
* Since: 1.10
*/
public void parseRedirectEntry(size_t entryIndex, out string location, out TagList tagList, out Structure entryStruct)
{
char* outlocation = null;
GstTagList* outtagList = null;
GstStructure* outentryStruct = null;
gst_message_parse_redirect_entry(gstMessage, entryIndex, &outlocation, &outtagList, &outentryStruct);
location = Str.toString(outlocation);
tagList = ObjectG.getDObject!(TagList)(outtagList);
entryStruct = ObjectG.getDObject!(Structure)(outentryStruct);
}
/**
* Extract the requested state from the request_state message.
*
* MT safe.
*
* Params:
* state = Result location for the requested state or %NULL
*/
public void parseRequestState(out GstState state)
{
gst_message_parse_request_state(gstMessage, &state);
}
/**
* Extract the running-time from the RESET_TIME message.
*
* MT safe.
*
* Params:
* runningTime = Result location for the running_time or
* %NULL
*/
public void parseResetTime(out GstClockTime runningTime)
{
gst_message_parse_reset_time(gstMessage, &runningTime);
}
/**
* Extracts the position and format from the segment done message.
*
* MT safe.
*
* Params:
* format = Result location for the format, or %NULL
* position = Result location for the position, or %NULL
*/
public void parseSegmentDone(out GstFormat format, out long position)
{
gst_message_parse_segment_done(gstMessage, &format, &position);
}
/**
* Extracts the position and format from the segment start message.
*
* MT safe.
*
* Params:
* format = Result location for the format, or %NULL
* position = Result location for the position, or %NULL
*/
public void parseSegmentStart(out GstFormat format, out long position)
{
gst_message_parse_segment_start(gstMessage, &format, &position);
}
/**
* Extracts the old and new states from the GstMessage.
*
* Typical usage of this function might be:
* |[<!-- language="C" -->
* ...
* switch (GST_MESSAGE_TYPE (msg)) {
* case GST_MESSAGE_STATE_CHANGED: {
* GstState old_state, new_state;
*
* gst_message_parse_state_changed (msg, &old_state, &new_state, NULL);
* g_print ("Element %s changed state from %s to %s.\n",
* GST_OBJECT_NAME (msg->src),
* gst_element_state_get_name (old_state),
* gst_element_state_get_name (new_state));
* break;
* }
* ...
* }
* ...
* ]|
*
* MT safe.
*
* Params:
* oldstate = the previous state, or %NULL
* newstate = the new (current) state, or %NULL
* pending = the pending (target) state, or %NULL
*/
public void parseStateChanged(out GstState oldstate, out GstState newstate, out GstState pending)
{
gst_message_parse_state_changed(gstMessage, &oldstate, &newstate, &pending);
}
/**
* Extract the values the step_done message.
*
* MT safe.
*
* Params:
* format = result location for the format
* amount = result location for the amount
* rate = result location for the rate
* flush = result location for the flush flag
* intermediate = result location for the intermediate flag
* duration = result location for the duration
* eos = result location for the EOS flag
*/
public void parseStepDone(out GstFormat format, out ulong amount, out double rate, out bool flush, out bool intermediate, out ulong duration, out bool eos)
{
int outflush;
int outintermediate;
int outeos;
gst_message_parse_step_done(gstMessage, &format, &amount, &rate, &outflush, &outintermediate, &duration, &outeos);
flush = (outflush == 1);
intermediate = (outintermediate == 1);
eos = (outeos == 1);
}
/**
* Extract the values from step_start message.
*
* MT safe.
*
* Params:
* active = result location for the active flag
* format = result location for the format
* amount = result location for the amount
* rate = result location for the rate
* flush = result location for the flush flag
* intermediate = result location for the intermediate flag
*/
public void parseStepStart(out bool active, out GstFormat format, out ulong amount, out double rate, out bool flush, out bool intermediate)
{
int outactive;
int outflush;
int outintermediate;
gst_message_parse_step_start(gstMessage, &outactive, &format, &amount, &rate, &outflush, &outintermediate);
active = (outactive == 1);
flush = (outflush == 1);
intermediate = (outintermediate == 1);
}
/**
* Parses a stream-collection message.
*
* Params:
* collection = A location where to store a
* pointer to the #GstStreamCollection, or %NULL
*
* Since: 1.10
*/
public void parseStreamCollection(out StreamCollection collection)
{
GstStreamCollection* outcollection = null;
gst_message_parse_stream_collection(gstMessage, &outcollection);
collection = ObjectG.getDObject!(StreamCollection)(outcollection);
}
/**
* Extracts the stream status type and owner the GstMessage. The returned
* owner remains valid for as long as the reference to @message is valid and
* should thus not be unreffed.
*
* MT safe.
*
* Params:
* type = A pointer to hold the status type
* owner = The owner element of the message source
*/
public void parseStreamStatus(out GstStreamStatusType type, out Element owner)
{
GstElement* outowner = null;
gst_message_parse_stream_status(gstMessage, &type, &outowner);
owner = ObjectG.getDObject!(Element)(outowner);
}
/**
* Parses a streams-selected message.
*
* Params:
* collection = A location where to store a
* pointer to the #GstStreamCollection, or %NULL
*
* Since: 1.10
*/
public void parseStreamsSelected(out StreamCollection collection)
{
GstStreamCollection* outcollection = null;
gst_message_parse_streams_selected(gstMessage, &outcollection);
collection = ObjectG.getDObject!(StreamCollection)(outcollection);
}
/**
* Extracts the change type and completion status from the GstMessage.
*
* MT safe.
*
* Params:
* type = A pointer to hold the change type
* owner = The owner element of the
* message source
* busy = a pointer to hold whether the change is in
* progress or has been completed
*/
public void parseStructureChange(out GstStructureChangeType type, out Element owner, out bool busy)
{
GstElement* outowner = null;
int outbusy;
gst_message_parse_structure_change(gstMessage, &type, &outowner, &outbusy);
owner = ObjectG.getDObject!(Element)(outowner);
busy = (outbusy == 1);
}
/**
* Extracts the tag list from the GstMessage. The tag list returned in the
* output argument is a copy; the caller must free it when done.
*
* Typical usage of this function might be:
* |[<!-- language="C" -->
* ...
* switch (GST_MESSAGE_TYPE (msg)) {
* case GST_MESSAGE_TAG: {
* GstTagList *tags = NULL;
*
* gst_message_parse_tag (msg, &tags);
* g_print ("Got tags from element %s\n", GST_OBJECT_NAME (msg->src));
* handle_tags (tags);
* gst_tag_list_unref (tags);
* break;
* }
* ...
* }
* ...
* ]|
*
* MT safe.
*
* Params:
* tagList = return location for the tag-list.
*/
public void parseTag(out TagList tagList)
{
GstTagList* outtagList = null;
gst_message_parse_tag(gstMessage, &outtagList);
tagList = ObjectG.getDObject!(TagList)(outtagList);
}
/**
* Extract the TOC from the #GstMessage. The TOC returned in the
* output argument is a copy; the caller must free it with
* gst_toc_unref() when done.
*
* MT safe.
*
* Params:
* toc = return location for the TOC.
* updated = return location for the updated flag.
*/
public void parseToc(out Toc toc, out bool updated)
{
GstToc* outtoc = null;
int outupdated;
gst_message_parse_toc(gstMessage, &outtoc, &outupdated);
toc = ObjectG.getDObject!(Toc)(outtoc);
updated = (outupdated == 1);
}
/**
* Extracts the GError and debug string from the GstMessage. The values returned
* in the output arguments are copies; the caller must free them when done.
*
* MT safe.
*
* Params:
* gerror = location for the GError
* dbg = location for the debug message,
* or %NULL
*/
public void parseWarning(out ErrorG gerror, out string dbg)
{
GError* outgerror = null;
char* outdbg = null;
gst_message_parse_warning(gstMessage, &outgerror, &outdbg);
gerror = new ErrorG(outgerror);
dbg = Str.toString(outdbg);
}
/**
* Returns the optional details structure, may be NULL if none
* The returned structure must not be freed.
*
* Params:
* structure = A pointer to the returned details structure
*
* Since: 1.10
*/
public void parseWarningDetails(out Structure structure)
{
GstStructure* outstructure = null;
gst_message_parse_warning_details(gstMessage, &outstructure);
structure = ObjectG.getDObject!(Structure)(outstructure);
}
/**
* Configures the buffering stats values in @message.
*
* Params:
* mode = a buffering mode
* avgIn = the average input rate
* avgOut = the average output rate
* bufferingLeft = amount of buffering time left in milliseconds
*/
public void setBufferingStats(GstBufferingMode mode, int avgIn, int avgOut, long bufferingLeft)
{
gst_message_set_buffering_stats(gstMessage, mode, avgIn, avgOut, bufferingLeft);
}
/**
* Sets the group id on the stream-start message.
*
* All streams that have the same group id are supposed to be played
* together, i.e. all streams inside a container file should have the
* same group id but different stream ids. The group id should change
* each time the stream is started, resulting in different group ids
* each time a file is played for example.
*
* MT safe.
*
* Params:
* groupId = the group id
*
* Since: 1.2
*/
public void setGroupId(uint groupId)
{
gst_message_set_group_id(gstMessage, groupId);
}
/**
* Set the QoS stats representing the history of the current continuous pipeline
* playback period.
*
* When @format is @GST_FORMAT_UNDEFINED both @dropped and @processed are
* invalid. Values of -1 for either @processed or @dropped mean unknown values.
*
* MT safe.
*
* Params:
* format = Units of the 'processed' and 'dropped' fields. Video sinks and video
* filters will use GST_FORMAT_BUFFERS (frames). Audio sinks and audio filters
* will likely use GST_FORMAT_DEFAULT (samples).
* processed = Total number of units correctly processed since the last state
* change to READY or a flushing operation.
* dropped = Total number of units dropped since the last state change to READY
* or a flushing operation.
*/
public void setQosStats(GstFormat format, ulong processed, ulong dropped)
{
gst_message_set_qos_stats(gstMessage, format, processed, dropped);
}
/**
* Set the QoS values that have been calculated/analysed from the QoS data
*
* MT safe.
*
* Params:
* jitter = The difference of the running-time against the deadline.
* proportion = Long term prediction of the ideal rate relative to normal rate
* to get optimal quality.
* quality = An element dependent integer value that specifies the current
* quality level of the element. The default maximum quality is 1000000.
*/
public void setQosValues(long jitter, double proportion, int quality)
{
gst_message_set_qos_values(gstMessage, jitter, proportion, quality);
}
/**
* Set the sequence number of a message.
*
* This function might be called by the creator of a message to indicate that
* the message relates to other messages or events. See gst_message_get_seqnum()
* for more information.
*
* MT safe.
*
* Params:
* seqnum = A sequence number.
*/
public void setSeqnum(uint seqnum)
{
gst_message_set_seqnum(gstMessage, seqnum);
}
/**
* Configures the object handling the streaming thread. This is usually a
* GstTask object but other objects might be added in the future.
*
* Params:
* object = the object controlling the streaming
*/
public void setStreamStatusObject(Value object)
{
gst_message_set_stream_status_object(gstMessage, (object is null) ? null : object.getValueStruct());
}
/**
* Adds the @stream to the @message.
*
* Params:
* stream = a #GstStream to add to @message
*
* Since: 1.10
*/
public void streamsSelectedAdd(Stream stream)
{
gst_message_streams_selected_add(gstMessage, (stream is null) ? null : stream.getStreamStruct());
}
/**
* Returns the number of streams contained in the @message.
*
* Returns: The number of streams contained within.
*
* Since: 1.10
*/
public uint streamsSelectedGetSize()
{
return gst_message_streams_selected_get_size(gstMessage);
}
/**
* Retrieves the #GstStream with index @index from the @message.
*
* Params:
* idx = Index of the stream to retrieve
*
* Returns: A #GstStream
*
* Since: 1.10
*/
public Stream streamsSelectedGetStream(uint idx)
{
auto p = gst_message_streams_selected_get_stream(gstMessage, idx);
if(p is null)
{
return null;
}
return ObjectG.getDObject!(Stream)(cast(GstStream*) p, true);
}
/**
* Get a printable name for the given message type. Do not modify or free.
*
* Params:
* type = the message type
*
* Returns: a reference to the static name of the message.
*/
public static string typeGetName(GstMessageType type)
{
return Str.toString(gst_message_type_get_name(type));
}
/**
* Get the unique quark for the given message type.
*
* Params:
* type = the message type
*
* Returns: the quark associated with the message type
*/
public static GQuark typeToQuark(GstMessageType type)
{
return gst_message_type_to_quark(type);
}
}
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